ASTM D7519-11

Standard Test Method for Internal Bond Strength and Thickness Swell of Cellulosic-Based Fiber and Particle Panels After Repeated Wetting (Withdrawn 2020)

SIGNIFICANCE AND USE
These test methods provide a measure of the moisture resistance of cellulosic-based fiber and particle panels (for example, medium-density fiberboard (MDF), particleboard, and hardboard). This test methodology can be used to assess the thickness swelling and bond integrity characteristics of panels engineered for interior end-use applications involving exposure to cyclic temperatures and intermittent wetting environments.
SCOPE
1.1 These test methods provide a measure of the moisture resistance of cellulosic-based fiber and particle panels (for example, medium-density fiberboard (MDF), particleboard, and hardboard). Resistance to moisture changes is measured by dimensional and internal bond changes and does not refer to decay/mold resistance or other performance aspects.
1.2 These test methods do not address structural properties or performance following moisture exposure. Panels are subjected to repeated cycles of water submersion and oven drying. After three cycles, the test specimens are tested for thickness swelling (TS) and internal bond (IB) strength.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
WITHDRAWN RATIONALE
These test methods provided a measure of the moisture resistance of cellulosic-based fiber and particle panels (for example, medium-density fiberboard (MDF), particleboard, and hardboard).
Formerly under the jurisdiction of Committee D07 on Wood, this test method was withdrawn in January 2020 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

General Information

• Status: Withdrawn
• Publication Date: 30-Apr-2011
• Withdrawal Date: 13-Jan-2020
• ICS: 79.060.20 - Fibre and particle boards
• Technical Committee: D07 - Wood
• Drafting Committee: D07.03 - Panel Products

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D7519 − 11
Standard Test Method for
Internal Bond Strength and Thickness Swell of Cellulosic-
1
Based Fiber and Particle Panels After Repeated Wetting
This standard is issued under the fixed designation D7519; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope example, medium-density fiberboard (MDF), particleboard,
and hardboard). This test methodology can be used to assess
1.1 These test methods provide a measure of the moisture
the thickness swelling and bond integrity characteristics of
resistance of cellulosic-based fiber and particle panels (for
panels engineered for interior end-use applications involving
example, medium-density fiberboard (MDF), particleboard,
exposure to cyclic temperatures and intermittent wetting envi-
andhardboard).Resistancetomoisturechangesismeasuredby
ronments.
dimensional and internal bond changes and does not refer to
decay/mold resistance or other performance aspects.
4. Apparatus
1.2 These test methods do not address structural properties
4.1 The methods and test equipment used in Test Methods
or performance following moisture exposure. Panels are sub-
D1037 are used in these test methods.
jectedtorepeatedcyclesofwatersubmersionandovendrying.
After three cycles, the test specimens are tested for thickness
5. Sampling and Test Specimens
swelling (TS) and internal bond (IB) strength.
5.1 Two samples taken from the same board measuring 6 ×
1.3 The values stated in inch-pound units are to be regarded
6 in. (152 × 152 mm) shall be used for collection of thickness
as standard. The values given in parentheses are mathematical
swelling (TS) data.
conversions to SI units that are provided for information only
5.2 Three internal bond (IB) strips measuring6×12in.
and are not considered standard.
(152 × 305 mm) shall be cut from the same board as the TS
1.4 This standard does not purport to address all of the
samples.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 6. Conditioning
priate safety and health practices and determine the applica-
6.1 Condition specimens to practical equilibrium at a rela-
bility of regulatory limitations prior to use.
tive humidity of 65 6 3% and a temperature of 68 6 4°F (20
6 2°C). Practical equilibrium is defined as the state of time
2. Referenced Documents
change in which, for practical purposes, the specimen is
2
2.1 ASTM Standards:
neither gaining nor losing appreciable moisture content in a
D1037Test Methods for Evaluating Properties of Wood-
24-h period. Guide D4933 provides further information on
Base Fiber and Particle Panel Materials
moisture equilibrium.
D4442Test Methods for Direct Moisture Content Measure-
ment of Wood and Wood-Base Materials
7. Procedure
D4933 Guide for Moisture Conditioning of Wood and
7.1 Thickness Swell (TS)
Wood-Based Materials
7.1.1 After conditioning, the mass of the specimen shall be
measured to an accuracy of 60.2%. The width, length, and
3. Significance and Use
thickness of the specimen shall be measured to an accuracy of
3.1 These test methods provide a measure of the moisture
60.3% to compute the volume of the specimen.
resistance of cellulosic-based fiber and particle panels (for
7.1.2 The thickness shall be measured at four points mid-
way along each side 1 in. (25 mm) away from the edge and the
1
This test method is under the jurisdiction of ASTM Committee D07 on Wood
average of these four measurements shall be recorded as the
and is the direct responsibility of Subcommittee D07.03 on Panel Products.
initial thickness for each specimen. The thickness shall be
Current edition approved May 1, 2011. Published June 2011. DOI: 10.1520/
1
D7519–11.
measured over a surface with ⁄4-in. diameter on both sides of
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
the specimen using a micrometer with ⁄4-in. (6.4-mm) anvils.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
7.1.3 The specimens shall be submitted to three exposure
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. cycles according to 7.2. The water soak tank parameters shall
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D7519 − 11
conform to the requirements of paragraph 23.5.1 of Test 8. Calculation
Methods D1037. For drying, a forced air drying oven shall be
8.1 The moisture content of TS specimens before and after
used with an adequate
...